Mary & Bill: An Ohio Cold Case

The Unsolved Case of the Murder of Two Students

In 1970, Mary and Bill, two university students in love, were brutally murdered in a Columbus, Ohio The case has never been solved. To understand why, Host/Producer Justin Glanville and the sisters of the victims track down friends, witnesses and the Columbus police. They also explore what it takes to bring new attention to a 50-year-old cold case.

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Meet The Host

Justin Glanville

Justin Glanville, senior producer at Ideastream Public Media, works with communities and individuals to tell their stories in their own voices. Growing up, Justin knew his parents lost two college friends, Mary Petry and Bill Sproat, in a violent murder. The double homicide, which occurred in 1970, has yet to be solved. Over fifty years later, Justin joins the victims' families as they search for answers in Mary & Bill: An Ohio Cold Case.

Most Recent Episode

7. The Time to Live

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6. Behind the “Blue Wall” (Sort Of)

Mary & Bill: An Ohio Cold Case | S:1 E:6
Columbus Police agree to speak with Mary's identical twin sister, Martha Petry, and reveal they are waiting to submit DNA evidence for forensic ge...
Listen to 6. Behind the “Blue Wall” (Sort Of)

A Crime of Passion?

Mary & Bill: An Ohio Cold Case | S:1 E:4
Police and family members have long speculated that whoever killed Mary Petry and Bill Sproat may have known them. But Mary and Bill had no appare...
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And She Was Gone

Mary & Bill: An Ohio Cold Case | S:1 E:5
A woman who shared a ride to Columbus with Mary recalls Mary was adamant about waiting for Bill to pick her up from a hotel lobby, which Mary's br...
Listen to And She Was Gone

A Dimly-Lit Welcome

Mary & Bill: An Ohio Cold Case | S:1 E:3
The Columbus police make a surprise visit to Cleveland, and one of the surviving reporters who covered the murders of Mary Petry and Bill Sproat i...
Listen to A Dimly-Lit Welcome

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The Team

Jon Nungusser

Producer
Jon Nungesser is a producer at Ideastream Public Media, where he creates audio documentaries and video works. He relocated from Buffalo, New York, working as a producer for a startup website featuring local musicians and stories of the region. Mary & Bill: An Ohio Cold Case is his first true-crime podcast.